:root {
    --ink: #111111;
    --text: #62666A;
    --muted: #8A8D91;
    --line: #DDE7E4;
    --line-dark: #B4B9BB;
    --mint: #F4FBF8;
    --mint-soft: #EAF5F1;
    --gray: #F7F8F8;
    --warm: #FFF9F0;
    --white: #FFFFFF;
    --max: 1280px;
    --reading: 820px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.8; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; object-fit: contain; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid #79B9A8; outline-offset: 3px; }
.skip-link { position: fixed; left: 14px; top: -80px; z-index: 10050; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; text-decoration: none; }
.skip-link:focus { top: 14px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { position: relative; width: 100%; max-width: var(--max); min-height: 74px; margin: 0 auto; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; }
.menu-toggle { width: 44px; height: 44px; padding: 0; border: 0; background: transparent; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 6px; cursor: pointer; }
.menu-toggle span { display: block; width: 27px; height: 2px; background: var(--ink); transition: .25s ease; }
.site-logo { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; }
.site-logo img { width: auto; max-width: 150px; max-height: 48px; }
.header-game-btn, .main-btn { min-height: 44px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; background: var(--ink); color: #fff; border: 1px solid var(--ink); border-radius: 999px; text-decoration: none; font-weight: 700; white-space: nowrap; transition: .25s ease; }
.header-game-btn { min-width: 92px; height: 42px; min-height: 42px; padding: 0 20px; font-size: 15px; }
.header-game-btn:hover, .main-btn:hover { background: #fff; color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--ink); }
.text-link:hover { opacity: .62; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(17,17,17,.35); opacity: 0; transition: opacity .25s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; top: 0; left: 0; bottom: 0; z-index: 10001; width: min(430px, 90vw); background: #fff; transform: translateX(-102%); transition: transform .28s ease; padding: 22px 28px 30px; overflow-y: auto; box-shadow: 18px 0 42px rgba(17,17,17,.12); }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.drawer-logo img { max-width: 140px; max-height: 44px; }
.drawer-close { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: #fff; font-size: 30px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; margin-top: 10px; }
.drawer-nav a { padding: 13px 0; border-bottom: 1px solid #ECEFEF; text-decoration: none; font-size: 20px; font-weight: 700; letter-spacing: .01em; }
.drawer-nav a:hover { padding-left: 8px; }
.drawer-note { margin-top: 24px; padding: 18px; background: var(--mint); color: var(--text); border-radius: 16px; font-size: 14px; }
main { overflow: hidden; }
.container { width: min(calc(100% - 44px), var(--max)); margin: 0 auto; }
.reading { width: min(100%, var(--reading)); }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.bg-mint { background: var(--mint); }
.bg-gray { background: var(--gray); }
.bg-warm { background: var(--warm); }
.eyebrow { margin: 0 0 12px; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: #4B7B70; }
h1, h2, h3 { margin-top: 0; line-height: 1.16; letter-spacing: -.025em; }
h1 { margin-bottom: 24px; font-size: clamp(48px, 6vw, 64px); }
h2 { margin-bottom: 20px; font-size: clamp(32px, 4vw, 42px); }
h3 { margin-bottom: 10px; font-size: 22px; }
p { margin: 0 0 18px; color: var(--text); font-size: 17px; }
.lead { font-size: 19px; line-height: 1.85; }
.hero { padding: 92px 0 84px; background: linear-gradient(135deg, #fff 0%, #fff 62%, var(--mint) 62%, var(--mint) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.hero-copy { max-width: 670px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; margin-top: 32px; }
.hero-media { position: relative; }
.hero-media::before { content: ""; position: absolute; inset: 8% -5% -6% 12%; border-radius: 34px; background: var(--mint-soft); z-index: 0; }
.hero-media img { position: relative; z-index: 1; width: 100%; border-radius: 28px; }
.category-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.category-scroll { display: flex; gap: 28px; overflow-x: auto; scrollbar-width: thin; padding: 20px 0 14px; }
.category-scroll a { flex: 0 0 auto; padding-bottom: 8px; text-decoration: none; color: var(--text); font-weight: 700; border-bottom: 2px solid transparent; }
.category-scroll a:first-child, .category-scroll a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 38px; }
.section-head p { max-width: 620px; margin-bottom: 4px; }
.feature-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 24px; }
.feature-main, .feature-side article, .game-card, .quote-card, .news-card, .support-card { border: 1px solid var(--line); border-radius: 20px; background: #fff; overflow: hidden; }
.feature-main { display: grid; grid-template-columns: 1.08fr .92fr; }
.feature-main .copy { padding: 34px; display: flex; flex-direction: column; justify-content: center; }
.feature-side { display: grid; gap: 24px; }
.feature-side article { display: grid; grid-template-columns: 138px 1fr; align-items: center; }
.feature-side .copy { padding: 20px; }
.meta { color: #4B7B70; font-size: 13px; font-weight: 800; letter-spacing: .06em; }
.card-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 18px; align-items: center; }
.game-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.game-grid.library { grid-template-columns: repeat(4, 1fr); }
.game-card { transition: transform .2s ease, box-shadow .2s ease; }
.game-card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(17,17,17,.07); }
.game-cover { background: var(--gray); aspect-ratio: 4 / 5; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.game-cover img { width: 100%; height: 100%; object-fit: contain; }
.game-card .copy { padding: 20px; }
.game-card p { font-size: 15px; margin-bottom: 14px; }
.game-card .main-btn { min-height: 38px; padding: 0 16px; font-size: 14px; }
.brand-banner img { width: 100%; height: auto; object-fit: contain; border-radius: 20px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse .media { order: 2; }
.split .media img { border-radius: 22px; width: 100%; }
.new-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: start; }
.new-feature { border-radius: 24px; overflow: hidden; background: var(--gray); }
.new-feature img { width: 100%; }
.new-feature .copy { padding: 30px; background: #fff; border: 1px solid var(--line); border-top: 0; border-radius: 0 0 24px 24px; }
.new-list { border-top: 1px solid var(--line); }
.new-list article { padding: 22px 0; border-bottom: 1px solid var(--line); }
.promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.promo-card { border-radius: 22px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.promo-card .copy { padding: 26px; }
.news-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 34px; }
.news-card { padding: 30px; background: var(--mint); }
.news-list { border-top: 1px solid var(--line); }
.news-list article { padding: 20px 0; border-bottom: 1px solid var(--line); }
.story-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: stretch; }
.story-main { border-radius: 22px; overflow: hidden; }
.story-side { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.story-side img { border-radius: 20px; width: 100%; }
.icon-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.icon-item { padding: 24px; border-top: 2px solid var(--ink); background: #fff; }
.icon-item strong { display: block; margin-bottom: 8px; font-size: 18px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote-card { padding: 26px; box-shadow: 0 10px 30px rgba(17,17,17,.04); }
.quote-card p { margin: 0; }
.faq-wrap { max-width: 900px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; padding: 22px 0; border: 0; background: transparent; display: flex; justify-content: space-between; gap: 18px; text-align: left; font-size: 18px; font-weight: 800; cursor: pointer; }
.faq-question::after { content: "+"; font-size: 24px; font-weight: 400; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 0 24px; }
.page-hero { padding: 82px 0 68px; background: var(--mint); border-bottom: 1px solid var(--line); }
.page-hero .reading { max-width: 860px; }
.breadcrumb { margin-bottom: 18px; font-size: 14px; color: var(--muted); }
.breadcrumb a { text-decoration: none; }
.content-flow { max-width: 900px; }
.content-flow h2 { margin-top: 50px; }
.content-flow h3 { margin-top: 30px; }
.content-flow ul { padding-left: 20px; color: var(--text); font-size: 17px; }
.content-flow li { margin-bottom: 10px; }
.notice { padding: 24px 28px; border-left: 4px solid var(--ink); background: var(--gray); margin: 30px 0; }
.notice p { margin-bottom: 0; }
.list-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.support-card { padding: 26px; }
.timeline { display: grid; gap: 0; border-top: 1px solid var(--line); }
.timeline article { display: grid; grid-template-columns: 180px 1fr; gap: 30px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.timeline strong { font-size: 17px; }
.site-footer { background: var(--ink); color: #fff; padding: 68px 0 32px; }
.footer-inner { width: min(calc(100% - 44px), var(--max)); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 50px; }
.footer-grid h2 { font-size: 15px; letter-spacing: .06em; margin-bottom: 16px; }
.footer-grid a { display: block; color: #fff; text-decoration: none; margin: 8px 0; }
.footer-grid a:hover { color: #BFC4C5; }
.footer-brand img { filter: invert(1); max-width: 150px; margin-bottom: 18px; }
.footer-brand p, .footer-bottom p { color: #BFC4C5; font-size: 14px; }
.footer-bottom { margin-top: 44px; padding-top: 24px; border-top: 1px solid #303536; display: flex; justify-content: space-between; gap: 30px; }
.footer-bottom p { max-width: 760px; margin: 0; }
@media (max-width: 1100px) {
    .hero-grid, .split, .new-layout, .news-layout { gap: 38px; }
    .game-grid { grid-template-columns: repeat(3, 1fr); }
    .game-grid.library { grid-template-columns: repeat(3, 1fr); }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-side { grid-template-columns: 1fr 1fr; }
    .quote-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
    .section { padding: 68px 0; }
    .hero { padding: 64px 0; background: linear-gradient(180deg, #fff 0%, #fff 68%, var(--mint) 68%, var(--mint) 100%); }
    .hero-grid, .split, .new-layout, .news-layout, .story-grid { grid-template-columns: 1fr; }
    .hero-grid { gap: 42px; }
    .split.reverse .media { order: 0; }
    .feature-main { grid-template-columns: 1fr; }
    .feature-side { grid-template-columns: 1fr; }
    .promo-grid { grid-template-columns: 1fr; }
    .story-side { grid-template-columns: 1fr 1fr; }
    .icon-list, .list-cards { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}
@media (max-width: 767px) {
    .header-inner { min-height: 66px; padding: 0 14px; }
    .menu-toggle { width: 40px; height: 40px; }
    .menu-toggle span { width: 25px; }
    .site-logo img { max-width: 110px; max-height: 40px; }
    .header-game-btn { min-width: 78px; height: 40px; min-height: 40px; padding: 0 15px; font-size: 14px; }
    .site-drawer { width: min(88vw, 390px); padding: 18px 22px 28px; }
    .container, .footer-inner { width: min(calc(100% - 28px), var(--max)); }
    h1 { font-size: clamp(34px, 10.4vw, 42px); }
    h2 { font-size: clamp(26px, 8vw, 32px); }
    p, .content-flow ul { font-size: 16px; }
    .lead { font-size: 17px; }
    .section-head { align-items: flex-start; flex-direction: column; }
    .game-grid, .game-grid.library { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .game-card .copy { padding: 14px; }
    .game-card h3 { font-size: 18px; }
    .game-card p { font-size: 14px; line-height: 1.65; }
    .game-card .main-btn { width: 100%; }
    .feature-side article { grid-template-columns: 112px 1fr; }
    .quote-grid, .icon-list, .list-cards { grid-template-columns: 1fr; }
    .timeline article { grid-template-columns: 1fr; gap: 6px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 430px) {
    .header-inner { padding: 0 12px; }
    .site-logo img { max-width: 88px; }
    .header-game-btn { min-width: 74px; padding: 0 12px; font-size: 13px; }
    .menu-toggle { width: 38px; }
    .hero-actions { align-items: stretch; }
    .hero-actions .main-btn { width: 100%; }
    .story-side { grid-template-columns: 1fr; }
}
@media (max-width: 390px) {
    .site-logo img { max-width: 80px; }
    .header-game-btn { min-width: 70px; padding: 0 10px; }
}
@media (max-width: 375px) {
    .header-inner { padding: 0 10px; }
    .site-logo img { max-width: 76px; }
    .header-game-btn { min-width: 68px; padding: 0 9px; font-size: 12px; }
    .menu-toggle { width: 36px; }
    .menu-toggle span { width: 23px; }
}